TW200915795A - Simplified RACH preamble detection receiver - Google Patents

Simplified RACH preamble detection receiver Download PDF

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Publication number
TW200915795A
TW200915795A TW097118151A TW97118151A TW200915795A TW 200915795 A TW200915795 A TW 200915795A TW 097118151 A TW097118151 A TW 097118151A TW 97118151 A TW97118151 A TW 97118151A TW 200915795 A TW200915795 A TW 200915795A
Authority
TW
Taiwan
Prior art keywords
signal
time domain
rach
sequence
module
Prior art date
Application number
TW097118151A
Other languages
English (en)
Chinese (zh)
Inventor
Fang-Chen Cheng
Lei Song
Henry Hui Ye
Original Assignee
Lucent Technologies Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lucent Technologies Inc filed Critical Lucent Technologies Inc
Publication of TW200915795A publication Critical patent/TW200915795A/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2649—Demodulators
    • H04L27/26524—Fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators in combination with other circuits for demodulation
    • H04L27/26526—Fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators in combination with other circuits for demodulation with inverse FFT [IFFT] or inverse DFT [IDFT] demodulators, e.g. standard single-carrier frequency-division multiple access [SC-FDMA] receiver or DFT spread orthogonal frequency division multiplexing [DFT-SOFDM]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2649—Demodulators
    • H04L27/265—Fourier transform demodulators, e.g. fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators
    • H04L27/2652—Fourier transform demodulators, e.g. fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators with polyphase implementation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
TW097118151A 2007-06-14 2008-05-16 Simplified RACH preamble detection receiver TW200915795A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US94387407P 2007-06-14 2007-06-14
US11/946,541 US8345804B2 (en) 2007-06-14 2007-11-28 Simplified RACH preamble detection receiver

Publications (1)

Publication Number Publication Date
TW200915795A true TW200915795A (en) 2009-04-01

Family

ID=40132318

Family Applications (1)

Application Number Title Priority Date Filing Date
TW097118151A TW200915795A (en) 2007-06-14 2008-05-16 Simplified RACH preamble detection receiver

Country Status (7)

Country Link
US (1) US8345804B2 (ja)
EP (1) EP2168339A1 (ja)
JP (1) JP2010532939A (ja)
KR (1) KR20100020472A (ja)
CN (1) CN101682602A (ja)
TW (1) TW200915795A (ja)
WO (1) WO2008156588A1 (ja)

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CN102036271B (zh) * 2010-12-24 2015-08-19 华为技术有限公司 小区随机接入检测方法及装置
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WO2015030524A1 (ko) * 2013-08-29 2015-03-05 엘지전자 주식회사 고주파 대역을 지원하는 무선 접속 시스템에서 단계별 상향링크 동기 신호 검출 방법 및 장치
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KR102248486B1 (ko) * 2014-11-28 2021-05-06 삼성전자 주식회사 수신 신호의 주파수 오프셋을 추정하는 방법 및 장치
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CN104873222B (zh) * 2015-05-08 2016-03-02 浙江铭众生物医学创业投资有限公司 一种基于智能移动终端的胎心率检测方法
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Also Published As

Publication number Publication date
EP2168339A1 (en) 2010-03-31
US20080310561A1 (en) 2008-12-18
CN101682602A (zh) 2010-03-24
US8345804B2 (en) 2013-01-01
KR20100020472A (ko) 2010-02-22
JP2010532939A (ja) 2010-10-14
WO2008156588A1 (en) 2008-12-24

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